Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1cc9e8f4 authored Oct 18, 2010 by Charles Committed by Takashi Iwai Oct 19, 2010

ALSA: hda - Fix codec muted after rebooting from Windows



Windows may leave pin power-down registers set after reboot, and
this resulted in muted output on Linux.  Reset these registers
at initialization properly.

Signed-off-by: Charles Chin <Charles.Chin@idt.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

parent c08d9169

sound/pci/hda/patch_sigmatel.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -5334,6 +5334,9 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
		if (spec == NULL)
		return -ENOMEM;

		/* reset pin power-down; Windows may leave these bits after reboot */
		snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7EC, 0);
		snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0);
		codec->no_trigger_sense = 1;
		codec->spec = spec;
		spec->linear_tone_beep = 1;